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wordpress/wp-includes
Felix Arntz e80768e045 Themes: Use isset instead of array_key_exists in WP_Theme_JSON class.
With the minimum PHP version requirement raised to 7.0, we can now use `isset` on constants that are arrays. Since `isset` is slightly faster than `array_key_exists` (and the different handling of `null` values is irrelevant for the updates here), remaining instances of `array_key_exists` in the `WP_Theme_JSON` class are replaced in this changeset.

Props soean.
Fixes #57067.

Built from https://develop.svn.wordpress.org/trunk@56345


git-svn-id: http://core.svn.wordpress.org/trunk@55857 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2023-08-01 20:31:25 +00:00
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